return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH3CH2CH2CN (Butanenitrile)

using model chemistry: B3PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-311G*
 hartrees
Energy at 0K-211.345700
Energy at 298.15K-211.353002
HF Energy-211.345700
Nuclear repulsion energy154.268866
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3PW91/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3118 3002 31.50      
2 A' 3060 2946 28.10      
3 A' 3047 2933 1.23      
4 A' 3038 2925 23.54      
5 A' 2367 2279 11.96      
6 A' 1519 1462 10.60      
7 A' 1504 1448 2.15      
8 A' 1479 1424 4.31      
9 A' 1427 1374 4.54      
10 A' 1392 1341 2.54      
11 A' 1310 1261 0.68      
12 A' 1121 1079 4.06      
13 A' 1061 1021 0.23      
14 A' 971 935 1.89      
15 A' 889 856 2.21      
16 A' 540 520 1.00      
17 A' 351 337 0.06      
18 A' 168 162 6.06      
19 A" 3116 3000 57.76      
20 A" 3095 2980 0.10      
21 A" 3078 2963 0.45      
22 A" 1515 1459 11.31      
23 A" 1341 1291 0.00      
24 A" 1270 1222 0.04      
25 A" 1135 1093 0.31      
26 A" 879 846 0.18      
27 A" 745 717 4.82      
28 A" 396 382 0.28      
29 A" 252 243 0.03      
30 A" 100 96 4.24      

Unscaled Zero Point Vibrational Energy (zpe) 22641.2 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 21796.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3PW91/6-311G*
ABC
0.80338 0.07546 0.07173

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 -2.600 0.396 0.000
C2 -1.452 0.508 0.000
C3 0.000 0.630 0.000
C4 0.714 -0.730 0.000
C5 2.230 -0.573 0.000
H6 0.294 1.215 0.878
H7 0.294 1.215 -0.878
H8 0.393 -1.302 0.876
H9 0.393 -1.302 -0.876
H10 2.723 -1.549 0.000
H11 2.577 -0.029 0.884
H12 2.577 -0.029 -0.884

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12
N11.15342.61063.50034.92623.13383.13383.55093.55095.66725.26955.2695
C21.15341.45732.49483.83722.07902.07902.72872.72874.65404.16004.1600
C32.61061.45731.53552.53341.09581.09582.15682.15683.48702.80302.8030
C43.50032.49481.53551.52362.17502.17501.09451.09452.16932.17802.1780
C54.92623.83722.53341.52362.77762.77762.16152.16151.09301.09461.0946
H63.13382.07901.09582.17502.77761.75612.51893.06963.78262.59993.1405
H73.13382.07901.09582.17502.77761.75613.06962.51893.78263.14052.5999
H83.55092.72872.15681.09452.16152.51893.06961.75262.50152.52823.0804
H93.55092.72872.15681.09452.16153.06962.51891.75262.50153.08042.5282
H105.66724.65403.48702.16931.09303.78263.78262.50152.50151.76421.7642
H115.26954.16002.80302.17801.09462.59993.14052.52823.08041.76421.7673
H125.26954.16002.80302.17801.09463.14052.59993.08042.52821.76421.7673

picture of Butanenitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 179.248 C2 C3 C4 112.915
C2 C3 H6 108.209 C2 C3 H7 108.209
C3 C4 C5 111.816 C3 C4 H8 109.027
C3 C4 H9 109.027 C4 C3 H6 110.382
C4 C3 H7 110.382 C4 C5 H10 110.927
C4 C5 H11 111.533 C4 C5 H12 111.533
C5 C4 H8 110.215 C5 C4 H9 110.215
H6 C3 H7 106.503 H8 C4 H9 106.380
H10 C5 H11 107.495 H10 C5 H12 107.495
H11 C5 H12 107.655
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.274      
2 C 0.158      
3 C -0.483      
4 C -0.441      
5 C -0.658      
6 H 0.266      
7 H 0.266      
8 H 0.241      
9 H 0.241      
10 H 0.236      
11 H 0.225      
12 H 0.225      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  4.123 0.028 0.000 4.123
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.741 1.032 0.000
y 1.032 -30.074 0.000
z 0.000 0.000 -30.240
Traceless
 xyz
x -12.584 1.032 0.000
y 1.032 6.417 0.000
z 0.000 0.000 6.167
Polar
3z2-r212.335
x2-y2-12.667
xy1.032
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.305 -0.283 0.000
y -0.283 6.065 0.000
z 0.000 0.000 5.627


<r2> (average value of r2) Å2
<r2> 159.077
(<r2>)1/2 12.613